Renowned British military surgeon James Barry was a pioneer in his field and enjoyed a celebrated and highly-accomplished career for over 50 years. After his death in 1865, it was discovered that he was actually a woman named Margaret Ann Bulkley. Source
"The devil!" cried Sophia as she pulled up his nightshirt to wash his body and, quite literally, uncovered a secret the doctor had managed to hide for most of his life. "It's a woman - and [noting what she took for stretch marks on his stomach] a woman that has had a child." This truth was so scandalous to Victorian Britain that for years it was hushed up. Dr James Barry was one of the most highly respected surgeons of his day.